Solar Inverter Power Solution
Application
Description
Complete power solution for solar PV inverters and energy storage systems using Gejian IGBTs and SiC MOSFETs for maximum efficiency and reliability.
Core Advantages
99% Efficiency
Ultra-high conversion efficiency reduces power losses
Wide Power Range
Solutions from 3kW residential to 250kW commercial
Extended Temperature
-40°C to +85°C operation for outdoor installation
Complete Reference
Full design package with schematics and PCB layouts
Recommended Bill of Materials (BOM)
| Item | Part Number | Description | Quantity | Datasheet |
|---|---|---|---|---|
| 1 | GJIGBT75N120F | 1200V 75A IGBT | 6 | 📄 Download |
| 2 | GJSiC40M120A | 1200V 40A SiC MOSFET | 2 | 📄 Download |
| 3 | GJGD1201 | 1200V Gate Driver | 4 | 📄 Download |
Applications
Residential solar inverters
Commercial PV systems
Energy storage inverters
Grid-tie converters
Microinverters
Technical Specifications
Input Voltage
200V-1000V DC
Output Power
3kW to 250kW
Efficiency
>99% peak
Switching Frequency
16kHz (IGBT), 50kHz (SiC)
Temperature
-40°C to +85°C
Customer Success Stories
Solar Inverter Manufacturer
Renewable Energy |
Challenge
Needed high-efficiency power devices for 10kW residential solar inverter with 99% efficiency target.
Solution
Implemented GJIGBT75N120F for inverter stage and GJSiC40M120A for boost converter with optimized gate drive.
Results
- Achieved 99.2% peak efficiency
- Reduced heat sink size by 30%
- Passed 25-year life testing
FAE Expert Insights
D
Dr. Li Wei
Senior FAE - Renewable Energy
15 years
Professional Insights
Solar inverter design requires careful optimization of switching frequency versus efficiency. Using SiC for the boost stage and IGBT for the inverter provides the optimal cost-performance balance.
Key Takeaways
- SiC boost + IGBT inverter optimizes cost-performance
- Proper thermal design critical for 25-year life
- Gate drive optimization essential for efficiency